1
by Gentry, Bill
Published 2013
Center for Creative Leadership

2
by Levine, Stuart R.
Published 2006
Tantor Media

3
by Mortensen, Kurt W.
Published 2008
AMACOM/American Management Association

4
by Bolton, Robert
Published 2009
American Management Association

5
by Goulston, Mark
Published 2010
American Management Association

6
by Crowley, Katherine
Published 2013
McGraw-Hill

7
by Dolan, Gabrielle
Published 2013
J. Wiley & Sons Australia

8
by Horn, Sam
Published 2015
Berrett-Koehler Publishers

9
by Hoover, John
Published 2004
Career Press

10
by Berman, Evan M.
Published 2012
CRC Press

11
by Crowley, Katherine, Elster, Kathi
Published 2012
McGraw Hill-Ascent Audio

12
by Goman, Carol Kinsey
Published 2013
Berrett-Koehler Publishers